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Record W2081749678 · doi:10.1103/physrevb.78.195210

Anisotropic magnetization relaxation in ferromagnetic<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mtext>Ga</mml:mtext></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mtext>Mn</mml:mtext></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mtext>As</mml:mtext></mml:mrow></mml:math>thin films

2008· article· lv· W2081749678 on OpenAlexfundno aff
Kh. Khazen, H. J. von Bardeleben, M. Cubukcu, J. L. Cantin, V. Novák, K. Olejník, M. Cukr, L. Thevenard, A. Lemaı̂tre

Bibliographic record

VenuePhysical Review B · 2008
Typearticle
Languagelv
FieldPhysics and Astronomy
TopicMagnetic properties of thin films
Canadian institutionsnot available
FundersSimon Fraser University
KeywordsFerromagnetic resonanceCondensed matter physicsAnisotropyMaterials scienceMagnetizationFerromagnetismPhysicsIsotropyRelaxation (psychology)Nuclear magnetic resonanceMagnetic fieldOpticsQuantum mechanics

Abstract

fetched live from OpenAlex

The magnetic properties of annealed, epitaxial ${\text{Ga}}_{0.93}{\text{Mn}}_{0.07}\text{As}$ layers under tensile and compressive stress have been investigated by $X$-band (9 GHz) and $Q$-band (35 GHz) ferromagnetic resonance (FMR) spectroscopy. From the analysis of the linewidths of the uniform mode spectra the FMR Gilbert damping factor $\ensuremath{\alpha}$ has been determined. At $T=4\text{ }\text{K}$ we obtain a minimum damping factor of $\ensuremath{\alpha}=0.003$ for the compressively stressed layer. Its value is not isotropic. It has a minimum value for the easy axes orientations of the magnetic field and increases with the measuring temperature. Its average value is for both type of films on the order of 0.01 in spite of strong differences in the inhomogeneous linewidth which vary between 20 and 600 Oe for the layers grown on GaAs and GaInAs substrates, respectively.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.005
metaresearch head score (Gemma)0.005
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Science and technology studies, Scholarly communication, Open science, Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesMeta-epidemiology (narrow), Science and technology studies, Research integrity, Insufficient payload (model declined to judge)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.906
Threshold uncertainty score0.999

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0050.005
Meta-epidemiology (narrow)0.0030.006
Meta-epidemiology (broad)0.0010.006
Bibliometrics0.0020.005
Science and technology studies0.0040.005
Scholarly communication0.0040.005
Open science0.0070.006
Research integrity0.0060.006
Insufficient payload (model declined to judge)0.8730.012

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.018
GPT teacher head0.245
Teacher spread0.227 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; both teacher heads agree on what is shown here.

Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations28
Published2008
Admission routes1
Has abstractyes

Explore more

Same venuePhysical Review BSame topicMagnetic properties of thin filmsFrench-language works237,207